Once logged into the Switch Trading Platform, you will be taken to the Crypto Funding Transactions. You can then navigate to the "Manage Payees" tab along the top.
Then click "Connect Bank Account"
You will then use Plaid to connect your bank account. Search for your bank's name and follow the steps to login to your account.
Once your bank account is linked, you can then see the information on the "Manage Payees" tab. From there you can pull funds from your bank account to fund the Switch Trading Platform.